Podcast #128: We chat with Kent C Dodds about why he loves React and discuss what life was like in the dark days before Git. Listen now.
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UPDATE changes the values of the specified columns in all rows that satisfy the condition. Only the columns to be modified need be mentioned in the SET clause; columns not explicitly modified retain their previous values.

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With postgres implementation of MVCC, you may query the xmax metafield that will tell you exactly how many rows are currently being updated by the other transaction (assuming, there is no other transa …
answered Feb 12 by Arkhena